This section applies where an order is made under section 411 that brings section 272, 273 or 274 (or any two or more of them) into force for the purpose of including conditions in the regulatory regime for—
a Channel 3 service; or
Channel 5; ...
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The holder of a licence in which conditions mentioned in section 272, 273 or 274 will fall to be included when the order comes into force may apply to OFCOM, at any time in the review period, for a review of the financial terms on which the licence is held.
For the purposes of this section the review period in the case of an order under section 411 is the period which—
begins with the day on which the order is made; and
ends with the time at which, by virtue of the order, one or more of sections 272, 273 and 274 come into force in the case of the licence in question.
If in the case of the same order there is more than one time falling within subsection (3)(b), the review period ends with the later or latest of them.